Bangalore-based sanpar microfilters, in association with hiross spa, italy [an iso 9001 company], provides heatless dryers. Their products are ce stamped in accordance with european committee for standardisation and are manufactured as per iso 7183 to give the quality of air as per iso 8573.1 class 1.4.1. These desiccant type adsorption dryers are electronically controlled with automatic purge loss adjustment to varying flow rates, pressures and temperatures. Some of the typical specifications along with this heatless air dryers include capacity - 2 to 700 cfm; operation pressure - 4 to 16 bar; guaranteed dew points - down to -70 deg c, with highly reliable fail-safe piston valves and stainless steel filters inside the columns; and double valve arrangement to prevent sudden pressure surges.
